[Bug sanitizer/69840] two ASAN help nits

[kcc at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69840

--- Comment #3 from Kostya Serebryany <kcc at gcc dot gnu.org> ---
You don't :) 
The agreement between the teams was that the code in gcc is a verbatim copy of
upstream. (Well, there was a single-line difference at some point)
If you break this assumption, the next merge will undo your change.
Or the next merge will become impossible.